STIGQter: STIG Summary: Microsoft Windows 11 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

The Windows Remote Management (WinRM) service must not allow unencrypted traffic.

DISA Rule

SV-253419r958850_rule

Vulnerability Number

V-253419

Group Title

SRG-OS-000394-GPOS-00174

Rule Version

WN11-CC-000350

Severity

CAT II

CCI(s)

• CCI-003123 - Implement organization-defined cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow unencrypted traffic" to "Disabled".

Check Contents

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\WinRM\Service\

Value Name: AllowUnencryptedTraffic

Value Type: REG_DWORD
Value: 0

Vulnerability Number

V-253419

Documentable

False

Rule Version

WN11-CC-000350

Severity Override Guidance

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\WinRM\Service\

Value Name: AllowUnencryptedTraffic

Value Type: REG_DWORD
Value: 0

Check Content Reference

M

Target Key

5471